Hi, I'm currently struggling with the semantics of the transmissibilities, and given the number of Eclipse gurus on this mailing list, I thought somebody may know the answer: To compute the TRANSX value for a cell i, the Eclipse TD says that one needs to harmonically average T_i and T_j, the "half-face" x- transmissibilities of the "interior" cell and the "exterior" cell of a face. Here the problem arises: Transmissibility is a quantity which inherently only makes sense for cell faces in finite-volume discretizations but Eclipse specifies it as a cell-based quantity. Considering that because of faults the grid can become non-conforming and there can thus be more than one face into each direction, the TRANS[XYZ] keywords do not really make sense. The question is: What must be assumed as the "cell j"? The cell which is one index further in logically Cartesian coordinates? (That would not work for faults or for cases where those cells are not connected, though.)
cheers
Andreas
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